Kalomel

German name.

Structural context

Calomel
Crystal System tetragonalCrystal Class ditetragonal dipyramidalSpace Group I4/mmm

Chemical context

Stoichiometric formulas

Calomel
mindat.org
  • March 13, 2023[Hg2]2+Cl2
IMA
  • March 13, 2023HgCl
mineralogy.rocks
  • Aug. 30, 2022Hg2+2Cl2

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
  • yellowish white
  • grayish
  • yellowish grey
  • ash-grey
    Color noteOriginal color note from the source
    Colourless, white, grayish, yellowish white, yellowish grey to ash-grey, brown; darkens upon exposure to light
    StreakStreak entities, recognized using a custom trained NER model
    • light yellowish white
    Streak noteOriginal streak note from the source
    Light yellowish white
    Lustre
    Adamantine
    Fracture
    Conchoidal
    Transparency
    Transparent
    Tenacity
    sectile
    Hardness
    1.5—2
    Calculated density
    7.23